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Finding the Fourth Proportional to 233.48, 348.05 and 229.38

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Solution

The fourth proportional to 233.48, 348.05 and 229.38 is: 341.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    233.48 : 348.05 = 229.38 : x
  2. Step 2: Convert to fraction form
    233.48/348.05 = 229.38/x
  3. Step 3: Cross multiply
    233.48x = 348.05 × 229.38
  4. Step 4: Simplify right side
    233.48x = 79,835.64
  5. Step 5: Solve for x
    x = 79,835.64/233.48
  6. Step 6: Final answer
    x = 341.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.